Key Terms ◆ Overflow Running out of space ◆ Pointer: An object, often a variable, that stores the location(that is the machine address) of some other object, typically of a structure containing data that we wish to manipulate. Also sometimes called a link or a reference) ◆ Linked list: A list in which each entry contains a pointer giving the location of the next entry.Key Terms  Overflow: Running out of space.  Pointer: An object, often a variable, that stores the location (that is the machine address) of some other object, typically of a structure containing data that we wish to manipulate. (Also sometimes called a link or a reference)  Linked list: A list in which each entry contains a pointer giving the location of the next entry